<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>乘法表</title>
    <style>
        .span{
            margin: 0 15px;
        }
        #table{
            margin: 20px;
            width: 250px;
            border: 1px solid #999;
        }
        .hero{
            display: inline-block;
            width: 60px;
            height: 22px;
            line-height: 22px;
            text-align: center;
            border-left: 1px solid #999;
            padding: 0;
        }
        .hero:first-child{
            border-left: none;
        }
        .row{
            border-bottom: 1px solid #999;
        }
        .row:nth-child(2n){
            background-color: #f0f0f0;
        }
        .row:last-child{
            border-bottom:none;
        }
    </style>
</head>
<body>
    <div id="div1"></div>
    <table id="table"></table>
    <script>
        let txt=``;
        for(let row=1;row<=9;row++){
            for(let col=1;col<=row;col++){
                txt += `<span class=span>${col}*${row}=${col*row}</span>`
            }
            txt +='<br>'
        }
        div1.innerHTML=txt;

        let stuArr=[
            ['宋江','卢俊义','吴用','公孙胜'],
            ['关胜','林冲','柴进','鲁智深'],
            ['孙二娘','扈三娘','顾大嫂','潘金莲'],
            ['高俅','蔡京','童贯','宋徽宗'],
        ]
        let heroText='';
        for(let row=0;row<stuArr.length;row++){
            heroText += `<tr class=row>`;
            for(let col=0;col<4;col++){
                heroText += `<td class=hero>${stuArr[row][col]}</td>`;
            }
            heroText +=`</tr>`;
        }
        table.innerHTML=heroText;

        setTimeout(function(){
            console.log(5)
        },0)
        console.log(1)
        console.log(2)
        console.log(3)
        console.log(4)
        console.log(5)
        console.log(6)
        console.log(7)
        console.log(8)
        for(let i=10;i<100;i++){
            console.log(i*i)
        }
    </script>
</body>
</html>